On this page, we present all of the funds holding PRLD from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding PRLD, with a link to that fund's top holdings. The next columns indicate the amount of PRLD stock held by each of the funds holding PRLD, followed by the PRLD position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 57 funds holding PRLD within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Orbimed Advisors LLC. For more details on the positions held by Orbimed Advisors LLC (or by any of the other funds holding PRLD), click the fund name in the "Holder" column of the funds-holding-PRLD table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Orbimed Advisors LLC		$70,837	12/31/2023
PRLD	10,909,256	$46,583	12/31/2023
NONVOTING	5,680,186	$24,254	12/31/2023
Baker BROS. Advisors LP	10,123,824	$43,229	12/31/2023
PRLD	10,123,824	$43,229	12/31/2023
Deerfield Management Company L.P. Series C	4,133,000	$17,648	12/31/2023
PRLD	4,133,000	$17,648	12/31/2023
Boxer Capital LLC	2,568,287	$10,967	12/31/2023
PRLD	2,568,287	$10,967	12/31/2023
BlackRock Inc.	1,095,589	$4,678	12/31/2023
PRLD	1,095,589	$4,678	12/31/2023
Price T Rowe Associates Inc. MD	1,042,737	$4,453	12/31/2023
PRLD	1,042,737	$4,453	12/31/2023
Vanguard Group Inc.	1,006,856	$4,299	12/31/2023
PRLD	1,006,856	$4,299	12/31/2023
Massachusetts Financial Services Co. MA	510,749	$2,181	12/31/2023
PRLD	510,749	$2,181	12/31/2023
Geode Capital Management LLC	349,367	$1,492	12/31/2023
PRLD	349,367	$1,492	12/31/2023
Sio Capital Management LLC	320,394	$1,368	12/31/2023
PRLD	320,394	$1,368	12/31/2023
Morgan Stanley	298,796	$1,276	12/31/2023
PRLD	298,796	$1,276	12/31/2023
FMR LLC	264,687	$1,130	12/31/2023
PRLD	264,687	$1,130	12/31/2023
Renaissance Technologies LLC	216,400	$924	12/31/2023
PRLD	216,400	$924	12/31/2023
State Street Corp	212,234	$906	12/31/2023
PRLD	212,234	$906	12/31/2023
TD Asset Management Inc.	160,652	$686	12/31/2023
PRLD	160,652	$686	12/31/2023
Bridgeway Capital Management Inc.	148,749	$635	12/31/2023
PRLD	148,749	$635	12/31/2023
Jacobs Levy Equity Management Inc.	131,307	$561	12/31/2023
PRLD	131,307	$561	12/31/2023
Charles Schwab Investment Management Inc.	124,700	$532	12/31/2023
PRLD	124,700	$532	12/31/2023
Northern Trust Corp	114,097	$487	12/31/2023
PRLD	114,097	$487	12/31/2023
Millennium Management LLC	96,966	$414	12/31/2023
PRLD	96,966	$414	12/31/2023
Citadel Advisors LLC		$406	12/31/2023
PRLD	95,330	$407	12/31/2023
Put	1,000	$4	12/31/2023
Call	700	$3	12/31/2023
Exchange Traded Concepts LLC	63,887	$303	03/31/2024
PRLD	63,887	$303	03/31/2024
The Manufacturers Life Insurance Company	70,165	$300	12/31/2023
PRLD	70,165	$300	12/31/2023
Goldman Sachs Group Inc.	69,465	$297	12/31/2023
PRLD	69,465	$297	12/31/2023
Pale Fire Capital SE	63,581	$271	12/31/2023
PRLD	63,581	$271	12/31/2023
Two Sigma Advisers LP	61,800	$264	12/31/2023
PRLD	61,800	$264	12/31/2023
Two Sigma Investments LP	58,284	$249	12/31/2023
PRLD	58,284	$249	12/31/2023
Bank of New York Mellon Corp	50,600	$216	12/31/2023
PRLD	50,600	$216	12/31/2023
Bank of America Corp DE	37,490	$160	12/31/2023
PRLD	37,490	$160	12/31/2023
Jane Street Group LLC	32,977	$141	12/31/2023
PRLD	32,977	$141	12/31/2023
Barclays PLC	30,526	$131	12/31/2023
PRLD	30,526	$131	12/31/2023
Squarepoint Ops LLC	29,418	$126	12/31/2023
PRLD	29,418	$126	12/31/2023
State of Wisconsin Investment Board	24,800	$106	12/31/2023
PRLD	24,800	$106	12/31/2023
Hsbc Holdings PLC	23,210	$94	12/31/2023
PRLD	23,210	$94	12/31/2023
Rhumbline Advisers	20,403	$87	12/31/2023
PRLD	20,403	$87	12/31/2023
New York State Common Retirement Fund	20,122	$86	12/31/2023
PRLD	20,122	$86	12/31/2023
UBS Group AG	19,873	$85	12/31/2023
PRLD	19,873	$85	12/31/2023
Nuveen Asset Management LLC	16,797	$72	12/31/2023
PRLD	16,797	$72	12/31/2023
Acadian Asset Management LLC	15,495	$65	12/31/2023
PRLD	15,495	$65	12/31/2023
Dimensional Fund Advisors LP	14,305	$61	12/31/2023
PRLD	14,305	$61	12/31/2023
Amundi	15,130	$61	12/31/2023
PRLD	15,130	$61	12/31/2023
Prelude Capital Management LLC	14,346	$61	12/31/2023
PRLD	14,346	$61	12/31/2023
Virtu Financial LLC	13,607	$58	12/31/2023
PRLD	13,607	$58	12/31/2023
SG Americas Securities LLC	13,100	$56	12/31/2023
PRLD	13,100	$56	12/31/2023
JPMorgan Chase & Co.	9,380	$40	12/31/2023
PRLD	9,380	$40	12/31/2023
Royal Bank of Canada	9,040	$39	12/31/2023
PRLD	9,040	$39	12/31/2023
American International Group Inc.	7,397	$32	12/31/2023
PRLD	7,397	$32	12/31/2023
Wells Fargo & Company MN	4,599	$20	12/31/2023
PRLD	4,599	$20	12/31/2023
Tower Research Capital LLC TRC	3,992	$17	12/31/2023
PRLD	3,992	$17	12/31/2023
California State Teachers Retirement System	2,449	$10	12/31/2023
PRLD	2,449	$10	12/31/2023
Citigroup Inc.	2,127	$9	12/31/2023
PRLD	2,127	$9	12/31/2023
Legal & General Group Plc	962	$4	12/31/2023
PRLD	962	$4	12/31/2023
Amalgamated Bank	864	$4	12/31/2023
PRLD	864	$4	12/31/2023
Ameritas Investment Partners Inc.	819	$3	12/31/2023
PRLD	819	$3	12/31/2023
Simplex Trading LLC		$1	12/31/2023
Call	300	$1	12/31/2023
PRLD	67	$0	12/31/2023
CWM LLC	2	$0	03/31/2024
PRLD	2	$0	03/31/2024
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
PRLD	0	$0	12/31/2023
HighMark Wealth Management LLC	50	$0	12/31/2023
PRLD	50	$0	12/31/2023